#define WOP_SIZE 1024
static int hpc_inited = 0; // Have you started this component?
-static int totalTickCount = 0; // How many ticks have we got to work with
static FILE *tixFile; // file being read/written
static int tix_ch; // current char
-static StgWord64 magicTixNumber; // Magic/Hash number to mark .tix files
static FILE *rixFile = NULL; // The tracer file/pipe (to debugger)
static FILE *rixCmdFile = NULL; // The tracer file/pipe (from debugger)
char *modName; // name of module
int tickCount; // number of ticks
int tickOffset; // offset into a single large .tix Array
+ int hashNo; // Hash number for this module's mix info
StgWord64 *tixArr; // tix Array from the program execution (local for this module)
struct _Info *next;
} Info;
Info *modules = 0;
Info *nextModule = 0;
-StgWord64 *tixBoxes = 0; // local copy of tixBoxes array, from file.
int totalTixes = 0; // total number of tix boxes.
static char *tixFilename;
static void failure(char *msg) {
debugTrace(DEBUG_hpc,"hpc failure: %s\n",msg);
fprintf(stderr,"Hpc failure: %s\n",msg);
- fprintf(stderr,"(perhaps remove .tix file?)\n");
+ if (tixFilename) {
+ fprintf(stderr,"(perhaps remove %s file?)\n",tixFilename);
+ } else {
+ fprintf(stderr,"(perhaps remove .tix file?)\n");
+ }
exit(-1);
}
-static int init_open(char *filename)
-{
- tixFile = fopen(filename,"r");
+static int init_open(FILE *file) {
+ tixFile = file;
if (tixFile == 0) {
return 0;
}
static void expect(char c) {
if (tix_ch != c) {
+ fprintf(stderr,"('%c' '%c')\n",tix_ch,c);
failure("parse error when reading .tix file");
}
tix_ch = getc(tixFile);
return tmp;
}
-static void hpc_init(void) {
+static void
+readTix(void) {
int i;
- Info *tmpModule;
+ Info *tmpModule;
- if (hpc_inited != 0) {
- return;
- }
- hpc_inited = 1;
+ totalTixes = 0;
+
+ ws();
+ expect('T');
+ expect('i');
+ expect('x');
+ ws();
+ expect('[');
+ ws();
-
- tixFilename = (char *) malloc(strlen(prog_name) + 6);
- sprintf(tixFilename, "%s.tix", prog_name);
-
- if (init_open(tixFilename)) {
- totalTixes = 0;
-
- ws();
+ while(tix_ch != ']') {
+ tmpModule = (Info *)calloc(1,sizeof(Info));
expect('T');
expect('i');
expect('x');
+ expect('M');
+ expect('o');
+ expect('d');
+ expect('u');
+ expect('l');
+ expect('e');
+ ws();
+ tmpModule -> modName = expectString();
+ ws();
+ tmpModule -> hashNo = (unsigned int)expectWord64();
ws();
- magicTixNumber = expectWord64();
+ tmpModule -> tickCount = (int)expectWord64();
+ tmpModule -> tixArr = (StgWord64 *)calloc(tmpModule->tickCount,sizeof(StgWord64));
+ tmpModule -> tickOffset = totalTixes;
+ totalTixes += tmpModule -> tickCount;
ws();
expect('[');
ws();
- while(tix_ch != ']') {
- tmpModule = (Info *)calloc(1,sizeof(Info));
- expect('(');
- ws();
- tmpModule -> modName = expectString();
- ws();
- expect(',');
- ws();
- tmpModule -> tickCount = (int)expectWord64();
- ws();
- expect(')');
+ for(i = 0;i < tmpModule->tickCount;i++) {
+ tmpModule->tixArr[i] = expectWord64();
ws();
-
- tmpModule -> tickOffset = totalTixes;
- totalTixes += tmpModule -> tickCount;
-
- tmpModule -> tixArr = 0;
-
- if (!modules) {
- modules = tmpModule;
- } else {
- nextModule->next=tmpModule;
- }
- nextModule=tmpModule;
-
if (tix_ch == ',') {
expect(',');
ws();
}
expect(']');
ws();
- tixBoxes = (StgWord64 *)calloc(totalTixes,sizeof(StgWord64));
-
- expect('[');
- for(i = 0;i < totalTixes;i++) {
- if (i != 0) {
- expect(',');
- ws();
- }
- tixBoxes[i] = expectWord64();
- ws();
+
+ if (!modules) {
+ modules = tmpModule;
+ } else {
+ nextModule->next=tmpModule;
}
- expect(']');
+ nextModule=tmpModule;
+
+ if (tix_ch == ',') {
+ expect(',');
+ ws();
+ }
+ }
+ expect(']');
+ fclose(tixFile);
+}
- fclose(tixFile);
- } else {
- // later, we will find a binary specific
- magicTixNumber = (StgWord64)0;
+static void hpc_init(void) {
+ if (hpc_inited != 0) {
+ return;
+ }
+ hpc_inited = 1;
+
+ tixFilename = (char *) malloc(strlen(prog_name) + 6);
+ sprintf(tixFilename, "%s.tix", prog_name);
+
+ if (init_open(fopen(tixFilename,"r"))) {
+ readTix();
}
}
*/
int
-hs_hpc_module(char *modName,int modCount,StgWord64 *tixArr) {
+hs_hpc_module(char *modName,
+ int modCount,
+ int modHashNo,
+ StgWord64 *tixArr) {
Info *tmpModule, *lastModule;
int i;
int offset = 0;
if (tmpModule->tickCount != modCount) {
failure("inconsistent number of tick boxes");
}
- assert(tmpModule->tixArr == 0);
- assert(tixBoxes != 0);
- tmpModule->tixArr = tixArr;
+ assert(tmpModule->tixArr != 0);
+ if (tmpModule->hashNo != modHashNo) {
+ fprintf(stderr,"in module '%s'\n",tmpModule->modName);
+ failure("module mismatch with .tix/.mix file hash number");
+ fprintf(stderr,"(perhaps remove %s ?)\n",tixFilename);
+ exit(-1);
+
+ }
for(i=0;i < modCount;i++) {
- tixArr[i] = tixBoxes[i + tmpModule->tickOffset];
+ tixArr[i] = tmpModule->tixArr[i];
}
+ tmpModule->tixArr = tixArr;
return tmpModule->tickOffset;
}
lastModule = tmpModule;
tmpModule = (Info *)calloc(1,sizeof(Info));
tmpModule->modName = modName;
tmpModule->tickCount = modCount;
+ tmpModule->hashNo = modHashNo;
if (lastModule) {
tmpModule->tickOffset = lastModule->tickOffset + lastModule->tickCount;
} else {
void
startupHpc(void) {
- Info *tmpModule;
char *hpcRix;
debugTrace(DEBUG_hpc,"startupHpc");
if (hpc_inited == 0) {
return;
}
-
- tmpModule = modules;
-
- if (tixBoxes) {
- for(;tmpModule != 0;tmpModule = tmpModule->next) {
- totalTickCount += tmpModule->tickCount;
- if (!tmpModule->tixArr) {
- fprintf(stderr,"error: module %s did not register any hpc tick data\n",
- tmpModule->modName);
- fprintf(stderr,"(perhaps remove %s ?)\n",tixFilename);
- exit(-1);
- }
- }
- }
-
// HPCRIX contains the name of the file to send our dynamic runtime output to (a named pipe).
hpcRix = getenv("HPCRIX");
tixCount += tmpModule->tickCount;
- debugTrace(DEBUG_hpc,"(tracer)%s: %u (offset=%u)\n",
- tmpModule->modName,
- tmpModule->tickCount,
- tmpModule->tickOffset);
+ debugTrace(DEBUG_hpc,"(tracer)%s: %u (offset=%u) (hash=%u)\n",
+ tmpModule->modName,
+ tmpModule->tickCount,
+ tmpModule->hashNo,
+ tmpModule->tickOffset);
}
fprintf(rixFile,"]\n");
}
-/* Called at the end of execution, to write out the Hpc *.tix file
- * for this exection. Safe to call, even if coverage is not used.
- */
-void
-exitHpc(void) {
+static void
+writeTix(FILE *f) {
Info *tmpModule;
- int i, comma;
+ int i, inner_comma, outer_comma;
- debugTrace(DEBUG_hpc,"exitHpc");
+ outer_comma = 0;
- if (hpc_inited == 0) {
+ if (f == 0) {
return;
}
- FILE *f = fopen(tixFilename,"w");
-
- comma = 0;
-
- fprintf(f,"Tix %" PRIuWORD64 " [", magicTixNumber);
+ fprintf(f,"Tix [");
tmpModule = modules;
for(;tmpModule != 0;tmpModule = tmpModule->next) {
- if (comma) {
+ if (outer_comma) {
fprintf(f,",");
} else {
- comma = 1;
+ outer_comma = 1;
}
- fprintf(f,"(\"%s\",%u)",
+ fprintf(f," TixModule \"%s\" %u %u [",
tmpModule->modName,
+ tmpModule->hashNo,
tmpModule->tickCount);
- debugTrace(DEBUG_hpc,"%s: %u (offset=%u)\n",
- tmpModule->modName,
- tmpModule->tickCount,
- tmpModule->tickOffset);
- }
- fprintf(f,"] [");
-
- comma = 0;
- tmpModule = modules;
- for(;tmpModule != 0;tmpModule = tmpModule->next) {
- if (!tmpModule->tixArr) {
- debugTrace(DEBUG_hpc,
- "warning: module %s did not register any hpc tick data\n",
- tmpModule->modName);
- }
+ debugTrace(DEBUG_hpc,"%s: %u (offset=%u) (hash=%u)\n",
+ tmpModule->modName,
+ tmpModule->tickCount,
+ tmpModule->hashNo,
+ tmpModule->tickOffset);
+ inner_comma = 0;
for(i = 0;i < tmpModule->tickCount;i++) {
- if (comma) {
+ if (inner_comma) {
fprintf(f,",");
} else {
- comma = 1;
+ inner_comma = 1;
}
if (tmpModule->tixArr) {
} else {
fprintf(f,"0");
}
-
}
+ fprintf(f,"]");
}
-
fprintf(f,"]\n");
+
fclose(f);
+}
+
+/* Called at the end of execution, to write out the Hpc *.tix file
+ * for this exection. Safe to call, even if coverage is not used.
+ */
+void
+exitHpc(void) {
+ debugTrace(DEBUG_hpc,"exitHpc");
+
+ if (hpc_inited == 0) {
+ return;
+ }
+
+ FILE *f = fopen(tixFilename,"w");
+ writeTix(f);
if (rixFile != NULL) {
hs_hpc_tick(RixFinishedOp,(StgThreadID)0);
}
+void hs_hpc_read(char *filename) {
+ Info *orig_modules = 0, *tmpModule, *tmpOrigModule;
+ int i;
+
+ orig_modules = modules;
+ modules = 0;
+ if (init_open(fopen(filename,"r"))) {
+ readTix();
+ // Now we copy across the arrays. O(n^2), but works
+ for(tmpModule = modules;
+ tmpModule != 0;
+ tmpModule = tmpModule->next) {
+
+ for(tmpOrigModule = orig_modules;
+ tmpOrigModule != 0;
+ tmpOrigModule = tmpOrigModule->next) {
+ if (!strcmp(tmpModule->modName,tmpOrigModule->modName)) {
+ assert(tmpModule->tixArr != 0);
+ assert(tmpOrigModule->tixArr != 0);
+ assert(tmpModule->tickCount == tmpOrigModule->tickCount);
+ for(i=0;i < tmpModule->tickCount;i++) {
+ tmpOrigModule->tixArr[i] = tmpModule->tixArr[i];
+ }
+ tmpModule->tixArr = tmpOrigModule->tixArr;
+ break;
+ }
+ }
+ }
+ }
+}
+
+void hs_hpc_write(char *filename) {
+ writeTix(fopen(filename,"w"));
+}
+
+
+
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